Oral irrigator



FIG. 1 is a first perspective view of an oral irrigator showing my newdesign;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is a perspective view of another state of the oral irrigatorthereof; and,

FIG. 10 is an enlarged view of the selected portion 10 in FIG. 1 .

The broken lines shown in the drawings depict portions of the oralirrigator that form no part of the claimed design.

CLAIM The ornamental design for an oral irrigator, as shown anddescribed.